You may run advertisements on websites, in newspapers, on the radio or television, or in magazines or trade journals to sell your products or services. You can deduct these costs, as well as the costs of other promotional activities. At the same time, you will discover that some costs cannot be deducted or that certain costs need to be deducted as another type of business expense.
For further information about deducting advertising costs, see IRS Publication 535, Business Expenses.
Like all other business expenses, advertising costs must be ordinary and necessary business expenses in order to be deductible. They must have a reasonable relationship to your business activities, and they must be reasonable in amount. However, there are no guidelines on what is “reasonable” in amount.
Deductible advertising expenses include the costs of:
Ads in print or the media (such as newspaper or magazine advertisements, charitable organization publications, ...